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Centi-(symbol c) is a unit prefix in the metric system denoting a factor of one hundredth. Proposed in 1793, [ 1 ] and adopted in 1795, the prefix comes from the Latin centum , meaning "hundred" ( cf. century, cent, percent, centennial).
The prefix symbols are always prepended to the symbol for the unit without any intervening space or punctuation. [9] This distinguishes a prefixed unit symbol from the product of unit symbols, for which a space or mid-height dot as separator is required. So, for instance, while 'ms' means millisecond, 'm s' or 'm·s' means metre-second.
Numerical prefixes occur in 19th-, 20th-, and 21st-century coinages, mainly the terms that are used in relation to or that are the names of technological innovations, such as hexadecimal and bicycle. Also used in medals that commemorate an anniversary , such as sesquicentennial (150 years), centennial (100 years), or bicentennial (200 years).
Power of ten Engineering notation [citation needed]Short scale (U.S. and modern British) Long scale (continental Europe, archaic British, and India) SI prefix SI symbol
[8] [9] To protect themselves, some sellers write out the full term as "1 000 000". With the aim of avoiding ambiguity the International Electrotechnical Commission (IEC) adopted new binary prefixes in 1998 (IEC 80000-13:2008 formerly subclauses 3.8 and 3.9 of IEC 60027-2:2005). Each binary prefix is formed from the first syllable of the ...
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SI derived units are units of measurement derived from the seven SI base units specified by the International System of Units (SI). They can be expressed as a product (or ratio) of one or more of the base units, possibly scaled by an appropriate power of exponentiation (see: Buckingham π theorem).
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